Main Line & Delaware County

Barnes Arboretum at Saint Joseph’s University


Est. 1922
The former home of Laura and Albert C. Barnes, the 12-acre arboretum is dedicated to horticultural education and the arts, offering a three-year horticulture certificate and hands-on workshops for amateur gardeners and horticulture enthusiasts.

Must-See Features

30+ state champion trees, extensive collections of ferns, hosta, lilacs, and Stewartias; formal garden, medicinal garden, scenic woodland pond and Tea House.

Passport Fulfillment

Write down the secret code word found printed on a sign in the Welcome Center by the parking lot.


50 Lapsley Lane, Merion, PA 19066

Follow Barnes Arboretum at Saint Joseph’s University:

Garden Types

Activities & Interests


Free, no tickets required.


Open for the Season.

Check garden’s website for current daily hours and admission fees prior to visiting.